Charlio Xu@chalioxumykjUnited StatesFollow BadgesProblem SolvingCPPJavaPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencechalioxumykj has not updated employment details yet.Educationchalioxumykj has not updated education details yet.